BS EN 62489-1:2010+A1:2015现行
Electroacoustics - Audio-Frequency Induction Loop Systems For Assisted Hearing - Part 1: Methods Of Measuring And Specifying The Performance Of System Components
出版：British Standards Institution
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基本信息
标准编号： BS EN 62489-1:2010+A1:2015
发布时间：2015/3/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：34
标准简介
Pertains to the components of audio-frequency induction-loop systems for assisted hearing.
标准备注
Supersedes 07/30175264 DC. (06/2010) 2010 Edition Re-Issued in March 2015 & incorporates AMD 1 2015. Supersedes 12/30268057 DC & 13/30269918 DC. (03/2015)
本标准替代的旧标准
等同采用的国际标准
EN 62489-1:2010 - Identical
